Limit articles offered to be attached to those that are neither the article to attach to nor ones already attached to it.
Limit articles offered to be attached to those that are neither the article to attach to nor ones already attached to it.

m-ober/byceps,homeworkprod/byceps,homeworkprod/byceps,m-ober/byceps,m-ober/byceps,homeworkprod/byceps